Science Review 6wk1&2

Science Review 6wk1&2

Poll

What was the image an example of?

• solution

• mixture

Poll

When a mixture is created, you have made a chemical change.

• True

• False

Multiple Choice

The image was an example of a..

• mixture

• solution

Multiple Choice

What happens to sugar in water?

• melts

• dissolves

• explodes

• nothing

Poll

What happens to sugar particles when they dissolve?

• they enlarge

• they shrink

• nothing

Multiple Choice

What were two energies evident in the video?

• sound energy and electrical

• electrical and sound

• sound and mechanical

Multiple Choice

At the half-time show..

• mechanical energy was used to produce light energy, electrical energy, and sound energy

• electrical energy was used to produce light energy and sound energy

• sound energy was used to produce light energy, electrical energy,

Open Ended

People were also dancing and moving around in the half-time show. What energy was that?

Multiple Choice

A circuit must have

• a power source, wires, and something that produces light, sound, or movement

• a switch, a power source, wires, and something that produces light, sound, or movement

Multiple Choice

Open circuits are

• on

• off

Multiple Choice

Closed circuits are

• on

• off

Multiple Choice

For batteries to work...

• the negative end and negative end must touch

• the negative end and positive end must touch

• the positive end and positive end must touch

Multiple Choice

What does the image represent?

• refraction

• reflection

• absorption

Multiple Choice

Light ______ when it reflects

• bends

• bounces